diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits')
3 files changed, 339 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits/atomic.h b/libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits/atomic.h new file mode 100644 index 000000000..43440dc3c --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits/atomic.h @@ -0,0 +1,128 @@ +/* Copyright (C) 2010-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _BITS_ATOMIC_H +#define _BITS_ATOMIC_H 1 + +#include <stdint.h> + +/* This is needed to break a depencency loop, we do not need errno anyway */ +#ifndef _ERRNO_H +# define _ERRNO_H +# include <sysdep.h> +# undef _ERRNO_H +#else +# include <sysdep.h> +#endif + +/* Or1k has no atomic compare-and-exchange operation, but the + kernel provides userspace atomicity operations. Use them. */ + +typedef int32_t atomic32_t; +typedef uint32_t uatomic32_t; +typedef int_fast32_t atomic_fast32_t; +typedef uint_fast32_t uatomic_fast32_t; + +typedef intptr_t atomicptr_t; +typedef uintptr_t uatomicptr_t; +typedef intmax_t atomic_max_t; +typedef uintmax_t uatomic_max_t; + +/* TODO: Move these to a kernel header */ +#define OR1K_ATOMIC_SWAP 1 +#define OR1K_ATOMIC_CMPXCHG 2 +#define OR1K_ATOMIC_XCHG 3 +#define OR1K_ATOMIC_ADD 4 +#define OR1K_ATOMIC_DECPOS 5 +#define OR1K_ATOMIC_AND 6 +#define OR1K_ATOMIC_OR 7 +#define OR1K_ATOMIC_UMAX 8 +#define OR1K_ATOMIC_UMIN 9 + +#define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ + ((__typeof (*(mem))) ((sizeof (*(mem)) == 4) ? \ + INTERNAL_SYSCALL (or1k_atomic, , 4, \ + OR1K_ATOMIC_CMPXCHG, mem, oldval, newval) \ + : __atomic_error_bad_argument_size ())) + +#define atomic_exchange_acq(mem, newval) \ + ((__typeof (*(mem))) ((sizeof (*(mem)) == 4) ? \ + INTERNAL_SYSCALL (or1k_atomic, , 3, \ + OR1K_ATOMIC_XCHG, mem, newval) \ + : __atomic_error_bad_argument_size ())) + +#define atomic_exchange_and_add_acq(mem, val) \ + ((__typeof (*(mem))) ((sizeof (*(mem)) == 4) ? \ + INTERNAL_SYSCALL (or1k_atomic, , 3, \ + OR1K_ATOMIC_ADD, mem, val) \ + : __atomic_error_bad_argument_size ())) + +#define atomic_decrement_if_positive(mem) \ + ((__typeof (*(mem))) ((sizeof (*(mem)) == 4) ? \ + INTERNAL_SYSCALL (or1k_atomic, , 2, \ + OR1K_ATOMIC_DECPOS, mem) \ + : __atomic_error_bad_argument_size ())) + +#define atomic_and_val(mem, mask) \ + ((__typeof (*(mem))) ((sizeof (*(mem)) == 4) ? \ + INTERNAL_SYSCALL (or1k_atomic, , 3, \ + OR1K_ATOMIC_AND, mem, mask) \ + : __atomic_error_bad_argument_size ())) + +#define atomic_or_val(mem, mask) \ + ((__typeof (*(mem))) ((sizeof (*(mem)) == 4) ? \ + INTERNAL_SYSCALL (or1k_atomic, , 3, \ + OR1K_ATOMIC_OR, mem, mask) \ + : __atomic_error_bad_argument_size ())) + +#define atomic_max_val(mem, val) \ + ((__typeof (*(mem))) ((sizeof (*(mem)) == 4) ? \ + INTERNAL_SYSCALL (or1k_atomic, , 3, \ + OR1K_ATOMIC_UMAX, mem, val) \ + : __atomic_error_bad_argument_size ())) + +#define atomic_min_val(mem, val) \ + ((__typeof (*(mem))) ((sizeof (*(mem)) == 4) ? \ + INTERNAL_SYSCALL (or1k_atomic, , 3, \ + OR1K_ATOMIC_UMIN, mem, val) \ + : __atomic_error_bad_argument_size ())) + + +/* atomic_bit_test_set in terms of atomic_or_val. */ +#define atomic_bit_test_set(mem, bit) \ + ({ __typeof (*(mem)) __att0_mask = ((__typeof (*(mem))) 1 << (bit)); \ + atomic_or_val ((mem), __att0_mask) & __att0_mask; }) + +/* Various macros that should just be synonyms. */ +#define catomic_exchange_and_add atomic_exchange_and_add +#define atomic_and(mem, mask) ((void) atomic_and_val ((mem), (mask))) +#define catomic_and atomic_and +#define atomic_or(mem, mask) ((void) atomic_or_val ((mem), (mask))) +#define catomic_or atomic_or +#define atomic_max(mem, val) ((void)atomic_max_val ((mem), (val))) +#define catomic_max atomic_max +#define atomic_min(mem, val) ((void)atomic_min_val ((mem), (val))) +#define catomic_min atomic_min +/* + * This non-existent symbol is called for unsupporrted sizes, + * indicating a bug in the caller. + */ +extern int __atomic_error_bad_argument_size(void) + __attribute__ ((error ("bad sizeof atomic argument"))); + +#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits/pthreadtypes.h b/libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits/pthreadtypes.h new file mode 100644 index 000000000..695a61fdd --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits/pthreadtypes.h @@ -0,0 +1,177 @@ +/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _BITS_PTHREADTYPES_H +#define _BITS_PTHREADTYPES_H 1 + +#define __SIZEOF_PTHREAD_ATTR_T 36 +#define __SIZEOF_PTHREAD_MUTEX_T 24 +#define __SIZEOF_PTHREAD_MUTEXATTR_T 4 +#define __SIZEOF_PTHREAD_COND_T 48 +#define __SIZEOF_PTHREAD_COND_COMPAT_T 12 +#define __SIZEOF_PTHREAD_CONDATTR_T 4 +#define __SIZEOF_PTHREAD_RWLOCK_T 32 +#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 +#define __SIZEOF_PTHREAD_BARRIER_T 20 +#define __SIZEOF_PTHREAD_BARRIERATTR_T 4 + + +/* Thread identifiers. The structure of the attribute type is not + exposed on purpose. */ +typedef unsigned long int pthread_t; + +union pthread_attr_t +{ + char __size[__SIZEOF_PTHREAD_ATTR_T]; + long int __align; +}; +#ifndef __have_pthread_attr_t +typedef union pthread_attr_t pthread_attr_t; +# define __have_pthread_attr_t 1 +#endif + + +typedef struct __pthread_internal_slist +{ + struct __pthread_internal_slist *__next; +} __pthread_slist_t; + + +/* Data structures for mutex handling. The structure of the attribute + type is not exposed on purpose. */ +typedef union +{ + struct __pthread_mutex_s + { + int __lock; + unsigned int __count; + int __owner; + /* KIND must stay at this position in the structure to maintain + binary compatibility. */ + int __kind; + unsigned int __nusers; + __extension__ union + { + int __spins; + __pthread_slist_t __list; + }; + } __data; + char __size[__SIZEOF_PTHREAD_MUTEX_T]; + long int __align; +} pthread_mutex_t; + +typedef union +{ + char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; + long int __align; +} pthread_mutexattr_t; + + +/* Data structure for conditional variable handling. The structure of + the attribute type is not exposed on purpose. */ +typedef union +{ + struct + { + int __lock; + unsigned int __futex; + __extension__ unsigned long long int __total_seq; + __extension__ unsigned long long int __wakeup_seq; + __extension__ unsigned long long int __woken_seq; + void *__mutex; + unsigned int __nwaiters; + unsigned int __broadcast_seq; + } __data; + char __size[__SIZEOF_PTHREAD_COND_T]; + __extension__ long long int __align; +} pthread_cond_t; + +typedef union +{ + char __size[__SIZEOF_PTHREAD_CONDATTR_T]; + long int __align; +} pthread_condattr_t; + + +/* Keys for thread-specific data */ +typedef unsigned int pthread_key_t; + + +/* Once-only execution */ +typedef int pthread_once_t; + + +#if defined __USE_UNIX98 || defined __USE_XOPEN2K +/* Data structure for read-write lock variable handling. The + structure of the attribute type is not exposed on purpose. */ +typedef union +{ + struct + { + int __lock; + unsigned int __nr_readers; + unsigned int __readers_wakeup; + unsigned int __writer_wakeup; + unsigned int __nr_readers_queued; + unsigned int __nr_writers_queued; + /* FLAGS must stay at this position in the structure to maintain + binary compatibility. */ + unsigned char __flags; + unsigned char __shared; + unsigned char __pad1; + unsigned char __pad2; + int __writer; + } __data; + char __size[__SIZEOF_PTHREAD_RWLOCK_T]; + long int __align; +} pthread_rwlock_t; + +typedef union +{ + char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; + long int __align; +} pthread_rwlockattr_t; +#endif + + +#ifdef __USE_XOPEN2K +/* POSIX spinlock data type. */ +typedef volatile int pthread_spinlock_t; + + +/* POSIX barriers data type. The structure of the type is + deliberately not exposed. */ +typedef union +{ + char __size[__SIZEOF_PTHREAD_BARRIER_T]; + long int __align; +} pthread_barrier_t; + +typedef union +{ + char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; + int __align; +} pthread_barrierattr_t; +#endif +/* Extra attributes for the cleanup functions. */ +/* + FIXME, check this after gcc uprgrade. + #define __cleanup_fct_attribute __attribute__ ((__regparm__ (1))) + warning: '__regparm__' attribute directive ignored +*/ + +#endif /* bits/pthreadtypes.h */ diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits/semaphore.h b/libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits/semaphore.h new file mode 100644 index 000000000..3ed1424d7 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/or1k/bits/semaphore.h @@ -0,0 +1,34 @@ +/* Copyright (C) 2002, 2005, 2007 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SEMAPHORE_H +# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead." +#endif + + +#define __SIZEOF_SEM_T 16 + + +/* Value returned if `sem_open' failed. */ +#define SEM_FAILED ((sem_t *) 0) + + +typedef union +{ + char __size[__SIZEOF_SEM_T]; + long int __align; +} sem_t; |